China sewage treatment engineering issues assessment
Urban clean water is an important component of water resources management and is essential for achieving the United Nations Sustainable Development Goal. The Chinese government has attached great importance to urban sewage treatment and clean water resources. Unfortunately, the urban water quality h...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Xu, Jin [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022transfer abstract |
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| Übergeordnetes Werk: |
Enthalten in: Self-assembled 3D hierarchical MnCO - Rajendiran, Rajmohan ELSEVIER, 2020, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:377 ; year:2022 ; day:1 ; month:12 ; pages:0 |
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| DOI / URN: |
10.1016/j.jclepro.2022.134391 |
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ELV059411813 |
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| 520 | |a Urban clean water is an important component of water resources management and is essential for achieving the United Nations Sustainable Development Goal. The Chinese government has attached great importance to urban sewage treatment and clean water resources. Unfortunately, the urban water quality has not shown a corresponding improvement with the increasing investment in the construction of urban sewage treatment infrastructures. In this study, we established a quantitative assessment index framework for engineering issues of urban sewage treatment system, including the lacking rate of a sewage pipe network, external water infiltration rate of a sewage pipe network, surplus rate of a sewage treatment plant, and discharge rate of untreated sewage. Then the assessment for engineering issues of urban sewage treatment system in China was conducted from the national level, provincial level and city level for the first time, with the Chinese government's open data and statistics. The results showed that the lacking rate of sewage pipe networks in China was 53%, the external water infiltration rate of sewage pipe networks was 34%, the surplus rate of sewage treatment plants was 54%, and the discharge rate of untreated sewage was 38%. The engineering efficiency of urban sewage treatment system in China was not high and varied among provinces and cities. In many urban areas, sewage pipe networks were incomplete or defective, lack and external water infiltration of sewage pipe networks are common, as well as misconnection of stormwater pipelines; and the problem of sewage direct discharge is serious. Improving the engineering efficiency of urban sewage treatment system, completing, repairment and reconstruction of sewage pipelines were the top priority of urban clean water in China. The assessment index framework established in this study can provide scientific basis for further advancing urban clean water, and the assessment for engineering issues of urban sewage treatment system is significant for the sustainable development of urban water resources. | ||
| 520 | |a Urban clean water is an important component of water resources management and is essential for achieving the United Nations Sustainable Development Goal. The Chinese government has attached great importance to urban sewage treatment and clean water resources. Unfortunately, the urban water quality has not shown a corresponding improvement with the increasing investment in the construction of urban sewage treatment infrastructures. In this study, we established a quantitative assessment index framework for engineering issues of urban sewage treatment system, including the lacking rate of a sewage pipe network, external water infiltration rate of a sewage pipe network, surplus rate of a sewage treatment plant, and discharge rate of untreated sewage. Then the assessment for engineering issues of urban sewage treatment system in China was conducted from the national level, provincial level and city level for the first time, with the Chinese government's open data and statistics. The results showed that the lacking rate of sewage pipe networks in China was 53%, the external water infiltration rate of sewage pipe networks was 34%, the surplus rate of sewage treatment plants was 54%, and the discharge rate of untreated sewage was 38%. The engineering efficiency of urban sewage treatment system in China was not high and varied among provinces and cities. In many urban areas, sewage pipe networks were incomplete or defective, lack and external water infiltration of sewage pipe networks are common, as well as misconnection of stormwater pipelines; and the problem of sewage direct discharge is serious. Improving the engineering efficiency of urban sewage treatment system, completing, repairment and reconstruction of sewage pipelines were the top priority of urban clean water in China. The assessment index framework established in this study can provide scientific basis for further advancing urban clean water, and the assessment for engineering issues of urban sewage treatment system is significant for the sustainable development of urban water resources. | ||
| 650 | 7 | |a External water infiltration |2 Elsevier | |
| 650 | 7 | |a Urban clean water |2 Elsevier | |
| 650 | 7 | |a Sewage treatment system |2 Elsevier | |
| 650 | 7 | |a Sewage direct discharge |2 Elsevier | |
| 650 | 7 | |a Lack of sewage pipe network |2 Elsevier | |
| 650 | 7 | |a Surplus sewage treatment capacity |2 Elsevier | |
| 700 | 1 | |a Xu, Zuxin |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Rajendiran, Rajmohan ELSEVIER |t Self-assembled 3D hierarchical MnCO |d 2020 |g Amsterdam [u.a.] |w (DE-627)ELV003750353 |
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10.1016/j.jclepro.2022.134391 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001974.pica (DE-627)ELV059411813 (ELSEVIER)S0959-6526(22)03963-4 DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl Xu, Jin verfasserin aut China sewage treatment engineering issues assessment 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Urban clean water is an important component of water resources management and is essential for achieving the United Nations Sustainable Development Goal. The Chinese government has attached great importance to urban sewage treatment and clean water resources. Unfortunately, the urban water quality has not shown a corresponding improvement with the increasing investment in the construction of urban sewage treatment infrastructures. In this study, we established a quantitative assessment index framework for engineering issues of urban sewage treatment system, including the lacking rate of a sewage pipe network, external water infiltration rate of a sewage pipe network, surplus rate of a sewage treatment plant, and discharge rate of untreated sewage. Then the assessment for engineering issues of urban sewage treatment system in China was conducted from the national level, provincial level and city level for the first time, with the Chinese government's open data and statistics. The results showed that the lacking rate of sewage pipe networks in China was 53%, the external water infiltration rate of sewage pipe networks was 34%, the surplus rate of sewage treatment plants was 54%, and the discharge rate of untreated sewage was 38%. The engineering efficiency of urban sewage treatment system in China was not high and varied among provinces and cities. In many urban areas, sewage pipe networks were incomplete or defective, lack and external water infiltration of sewage pipe networks are common, as well as misconnection of stormwater pipelines; and the problem of sewage direct discharge is serious. Improving the engineering efficiency of urban sewage treatment system, completing, repairment and reconstruction of sewage pipelines were the top priority of urban clean water in China. The assessment index framework established in this study can provide scientific basis for further advancing urban clean water, and the assessment for engineering issues of urban sewage treatment system is significant for the sustainable development of urban water resources. Urban clean water is an important component of water resources management and is essential for achieving the United Nations Sustainable Development Goal. The Chinese government has attached great importance to urban sewage treatment and clean water resources. Unfortunately, the urban water quality has not shown a corresponding improvement with the increasing investment in the construction of urban sewage treatment infrastructures. In this study, we established a quantitative assessment index framework for engineering issues of urban sewage treatment system, including the lacking rate of a sewage pipe network, external water infiltration rate of a sewage pipe network, surplus rate of a sewage treatment plant, and discharge rate of untreated sewage. Then the assessment for engineering issues of urban sewage treatment system in China was conducted from the national level, provincial level and city level for the first time, with the Chinese government's open data and statistics. The results showed that the lacking rate of sewage pipe networks in China was 53%, the external water infiltration rate of sewage pipe networks was 34%, the surplus rate of sewage treatment plants was 54%, and the discharge rate of untreated sewage was 38%. The engineering efficiency of urban sewage treatment system in China was not high and varied among provinces and cities. In many urban areas, sewage pipe networks were incomplete or defective, lack and external water infiltration of sewage pipe networks are common, as well as misconnection of stormwater pipelines; and the problem of sewage direct discharge is serious. Improving the engineering efficiency of urban sewage treatment system, completing, repairment and reconstruction of sewage pipelines were the top priority of urban clean water in China. The assessment index framework established in this study can provide scientific basis for further advancing urban clean water, and the assessment for engineering issues of urban sewage treatment system is significant for the sustainable development of urban water resources. External water infiltration Elsevier Urban clean water Elsevier Sewage treatment system Elsevier Sewage direct discharge Elsevier Lack of sewage pipe network Elsevier Surplus sewage treatment capacity Elsevier Xu, Zuxin oth Enthalten in Elsevier Science Rajendiran, Rajmohan ELSEVIER Self-assembled 3D hierarchical MnCO 2020 Amsterdam [u.a.] (DE-627)ELV003750353 volume:377 year:2022 day:1 month:12 pages:0 https://doi.org/10.1016/j.jclepro.2022.134391 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.18 Kolloidchemie Grenzflächenchemie VZ AR 377 2022 1 1201 0 |
| spelling |
10.1016/j.jclepro.2022.134391 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001974.pica (DE-627)ELV059411813 (ELSEVIER)S0959-6526(22)03963-4 DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl Xu, Jin verfasserin aut China sewage treatment engineering issues assessment 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Urban clean water is an important component of water resources management and is essential for achieving the United Nations Sustainable Development Goal. The Chinese government has attached great importance to urban sewage treatment and clean water resources. Unfortunately, the urban water quality has not shown a corresponding improvement with the increasing investment in the construction of urban sewage treatment infrastructures. In this study, we established a quantitative assessment index framework for engineering issues of urban sewage treatment system, including the lacking rate of a sewage pipe network, external water infiltration rate of a sewage pipe network, surplus rate of a sewage treatment plant, and discharge rate of untreated sewage. Then the assessment for engineering issues of urban sewage treatment system in China was conducted from the national level, provincial level and city level for the first time, with the Chinese government's open data and statistics. The results showed that the lacking rate of sewage pipe networks in China was 53%, the external water infiltration rate of sewage pipe networks was 34%, the surplus rate of sewage treatment plants was 54%, and the discharge rate of untreated sewage was 38%. The engineering efficiency of urban sewage treatment system in China was not high and varied among provinces and cities. In many urban areas, sewage pipe networks were incomplete or defective, lack and external water infiltration of sewage pipe networks are common, as well as misconnection of stormwater pipelines; and the problem of sewage direct discharge is serious. Improving the engineering efficiency of urban sewage treatment system, completing, repairment and reconstruction of sewage pipelines were the top priority of urban clean water in China. The assessment index framework established in this study can provide scientific basis for further advancing urban clean water, and the assessment for engineering issues of urban sewage treatment system is significant for the sustainable development of urban water resources. Urban clean water is an important component of water resources management and is essential for achieving the United Nations Sustainable Development Goal. The Chinese government has attached great importance to urban sewage treatment and clean water resources. Unfortunately, the urban water quality has not shown a corresponding improvement with the increasing investment in the construction of urban sewage treatment infrastructures. In this study, we established a quantitative assessment index framework for engineering issues of urban sewage treatment system, including the lacking rate of a sewage pipe network, external water infiltration rate of a sewage pipe network, surplus rate of a sewage treatment plant, and discharge rate of untreated sewage. Then the assessment for engineering issues of urban sewage treatment system in China was conducted from the national level, provincial level and city level for the first time, with the Chinese government's open data and statistics. The results showed that the lacking rate of sewage pipe networks in China was 53%, the external water infiltration rate of sewage pipe networks was 34%, the surplus rate of sewage treatment plants was 54%, and the discharge rate of untreated sewage was 38%. The engineering efficiency of urban sewage treatment system in China was not high and varied among provinces and cities. In many urban areas, sewage pipe networks were incomplete or defective, lack and external water infiltration of sewage pipe networks are common, as well as misconnection of stormwater pipelines; and the problem of sewage direct discharge is serious. Improving the engineering efficiency of urban sewage treatment system, completing, repairment and reconstruction of sewage pipelines were the top priority of urban clean water in China. The assessment index framework established in this study can provide scientific basis for further advancing urban clean water, and the assessment for engineering issues of urban sewage treatment system is significant for the sustainable development of urban water resources. External water infiltration Elsevier Urban clean water Elsevier Sewage treatment system Elsevier Sewage direct discharge Elsevier Lack of sewage pipe network Elsevier Surplus sewage treatment capacity Elsevier Xu, Zuxin oth Enthalten in Elsevier Science Rajendiran, Rajmohan ELSEVIER Self-assembled 3D hierarchical MnCO 2020 Amsterdam [u.a.] (DE-627)ELV003750353 volume:377 year:2022 day:1 month:12 pages:0 https://doi.org/10.1016/j.jclepro.2022.134391 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.18 Kolloidchemie Grenzflächenchemie VZ AR 377 2022 1 1201 0 |
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10.1016/j.jclepro.2022.134391 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001974.pica (DE-627)ELV059411813 (ELSEVIER)S0959-6526(22)03963-4 DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl Xu, Jin verfasserin aut China sewage treatment engineering issues assessment 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Urban clean water is an important component of water resources management and is essential for achieving the United Nations Sustainable Development Goal. The Chinese government has attached great importance to urban sewage treatment and clean water resources. Unfortunately, the urban water quality has not shown a corresponding improvement with the increasing investment in the construction of urban sewage treatment infrastructures. In this study, we established a quantitative assessment index framework for engineering issues of urban sewage treatment system, including the lacking rate of a sewage pipe network, external water infiltration rate of a sewage pipe network, surplus rate of a sewage treatment plant, and discharge rate of untreated sewage. Then the assessment for engineering issues of urban sewage treatment system in China was conducted from the national level, provincial level and city level for the first time, with the Chinese government's open data and statistics. The results showed that the lacking rate of sewage pipe networks in China was 53%, the external water infiltration rate of sewage pipe networks was 34%, the surplus rate of sewage treatment plants was 54%, and the discharge rate of untreated sewage was 38%. The engineering efficiency of urban sewage treatment system in China was not high and varied among provinces and cities. In many urban areas, sewage pipe networks were incomplete or defective, lack and external water infiltration of sewage pipe networks are common, as well as misconnection of stormwater pipelines; and the problem of sewage direct discharge is serious. Improving the engineering efficiency of urban sewage treatment system, completing, repairment and reconstruction of sewage pipelines were the top priority of urban clean water in China. The assessment index framework established in this study can provide scientific basis for further advancing urban clean water, and the assessment for engineering issues of urban sewage treatment system is significant for the sustainable development of urban water resources. Urban clean water is an important component of water resources management and is essential for achieving the United Nations Sustainable Development Goal. The Chinese government has attached great importance to urban sewage treatment and clean water resources. Unfortunately, the urban water quality has not shown a corresponding improvement with the increasing investment in the construction of urban sewage treatment infrastructures. In this study, we established a quantitative assessment index framework for engineering issues of urban sewage treatment system, including the lacking rate of a sewage pipe network, external water infiltration rate of a sewage pipe network, surplus rate of a sewage treatment plant, and discharge rate of untreated sewage. Then the assessment for engineering issues of urban sewage treatment system in China was conducted from the national level, provincial level and city level for the first time, with the Chinese government's open data and statistics. The results showed that the lacking rate of sewage pipe networks in China was 53%, the external water infiltration rate of sewage pipe networks was 34%, the surplus rate of sewage treatment plants was 54%, and the discharge rate of untreated sewage was 38%. The engineering efficiency of urban sewage treatment system in China was not high and varied among provinces and cities. In many urban areas, sewage pipe networks were incomplete or defective, lack and external water infiltration of sewage pipe networks are common, as well as misconnection of stormwater pipelines; and the problem of sewage direct discharge is serious. Improving the engineering efficiency of urban sewage treatment system, completing, repairment and reconstruction of sewage pipelines were the top priority of urban clean water in China. The assessment index framework established in this study can provide scientific basis for further advancing urban clean water, and the assessment for engineering issues of urban sewage treatment system is significant for the sustainable development of urban water resources. External water infiltration Elsevier Urban clean water Elsevier Sewage treatment system Elsevier Sewage direct discharge Elsevier Lack of sewage pipe network Elsevier Surplus sewage treatment capacity Elsevier Xu, Zuxin oth Enthalten in Elsevier Science Rajendiran, Rajmohan ELSEVIER Self-assembled 3D hierarchical MnCO 2020 Amsterdam [u.a.] (DE-627)ELV003750353 volume:377 year:2022 day:1 month:12 pages:0 https://doi.org/10.1016/j.jclepro.2022.134391 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.18 Kolloidchemie Grenzflächenchemie VZ AR 377 2022 1 1201 0 |
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10.1016/j.jclepro.2022.134391 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001974.pica (DE-627)ELV059411813 (ELSEVIER)S0959-6526(22)03963-4 DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl Xu, Jin verfasserin aut China sewage treatment engineering issues assessment 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Urban clean water is an important component of water resources management and is essential for achieving the United Nations Sustainable Development Goal. The Chinese government has attached great importance to urban sewage treatment and clean water resources. Unfortunately, the urban water quality has not shown a corresponding improvement with the increasing investment in the construction of urban sewage treatment infrastructures. In this study, we established a quantitative assessment index framework for engineering issues of urban sewage treatment system, including the lacking rate of a sewage pipe network, external water infiltration rate of a sewage pipe network, surplus rate of a sewage treatment plant, and discharge rate of untreated sewage. Then the assessment for engineering issues of urban sewage treatment system in China was conducted from the national level, provincial level and city level for the first time, with the Chinese government's open data and statistics. The results showed that the lacking rate of sewage pipe networks in China was 53%, the external water infiltration rate of sewage pipe networks was 34%, the surplus rate of sewage treatment plants was 54%, and the discharge rate of untreated sewage was 38%. The engineering efficiency of urban sewage treatment system in China was not high and varied among provinces and cities. In many urban areas, sewage pipe networks were incomplete or defective, lack and external water infiltration of sewage pipe networks are common, as well as misconnection of stormwater pipelines; and the problem of sewage direct discharge is serious. Improving the engineering efficiency of urban sewage treatment system, completing, repairment and reconstruction of sewage pipelines were the top priority of urban clean water in China. The assessment index framework established in this study can provide scientific basis for further advancing urban clean water, and the assessment for engineering issues of urban sewage treatment system is significant for the sustainable development of urban water resources. Urban clean water is an important component of water resources management and is essential for achieving the United Nations Sustainable Development Goal. The Chinese government has attached great importance to urban sewage treatment and clean water resources. Unfortunately, the urban water quality has not shown a corresponding improvement with the increasing investment in the construction of urban sewage treatment infrastructures. In this study, we established a quantitative assessment index framework for engineering issues of urban sewage treatment system, including the lacking rate of a sewage pipe network, external water infiltration rate of a sewage pipe network, surplus rate of a sewage treatment plant, and discharge rate of untreated sewage. Then the assessment for engineering issues of urban sewage treatment system in China was conducted from the national level, provincial level and city level for the first time, with the Chinese government's open data and statistics. The results showed that the lacking rate of sewage pipe networks in China was 53%, the external water infiltration rate of sewage pipe networks was 34%, the surplus rate of sewage treatment plants was 54%, and the discharge rate of untreated sewage was 38%. The engineering efficiency of urban sewage treatment system in China was not high and varied among provinces and cities. In many urban areas, sewage pipe networks were incomplete or defective, lack and external water infiltration of sewage pipe networks are common, as well as misconnection of stormwater pipelines; and the problem of sewage direct discharge is serious. Improving the engineering efficiency of urban sewage treatment system, completing, repairment and reconstruction of sewage pipelines were the top priority of urban clean water in China. The assessment index framework established in this study can provide scientific basis for further advancing urban clean water, and the assessment for engineering issues of urban sewage treatment system is significant for the sustainable development of urban water resources. External water infiltration Elsevier Urban clean water Elsevier Sewage treatment system Elsevier Sewage direct discharge Elsevier Lack of sewage pipe network Elsevier Surplus sewage treatment capacity Elsevier Xu, Zuxin oth Enthalten in Elsevier Science Rajendiran, Rajmohan ELSEVIER Self-assembled 3D hierarchical MnCO 2020 Amsterdam [u.a.] (DE-627)ELV003750353 volume:377 year:2022 day:1 month:12 pages:0 https://doi.org/10.1016/j.jclepro.2022.134391 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.18 Kolloidchemie Grenzflächenchemie VZ AR 377 2022 1 1201 0 |
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10.1016/j.jclepro.2022.134391 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001974.pica (DE-627)ELV059411813 (ELSEVIER)S0959-6526(22)03963-4 DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl Xu, Jin verfasserin aut China sewage treatment engineering issues assessment 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Urban clean water is an important component of water resources management and is essential for achieving the United Nations Sustainable Development Goal. The Chinese government has attached great importance to urban sewage treatment and clean water resources. Unfortunately, the urban water quality has not shown a corresponding improvement with the increasing investment in the construction of urban sewage treatment infrastructures. In this study, we established a quantitative assessment index framework for engineering issues of urban sewage treatment system, including the lacking rate of a sewage pipe network, external water infiltration rate of a sewage pipe network, surplus rate of a sewage treatment plant, and discharge rate of untreated sewage. Then the assessment for engineering issues of urban sewage treatment system in China was conducted from the national level, provincial level and city level for the first time, with the Chinese government's open data and statistics. The results showed that the lacking rate of sewage pipe networks in China was 53%, the external water infiltration rate of sewage pipe networks was 34%, the surplus rate of sewage treatment plants was 54%, and the discharge rate of untreated sewage was 38%. The engineering efficiency of urban sewage treatment system in China was not high and varied among provinces and cities. In many urban areas, sewage pipe networks were incomplete or defective, lack and external water infiltration of sewage pipe networks are common, as well as misconnection of stormwater pipelines; and the problem of sewage direct discharge is serious. Improving the engineering efficiency of urban sewage treatment system, completing, repairment and reconstruction of sewage pipelines were the top priority of urban clean water in China. The assessment index framework established in this study can provide scientific basis for further advancing urban clean water, and the assessment for engineering issues of urban sewage treatment system is significant for the sustainable development of urban water resources. Urban clean water is an important component of water resources management and is essential for achieving the United Nations Sustainable Development Goal. The Chinese government has attached great importance to urban sewage treatment and clean water resources. Unfortunately, the urban water quality has not shown a corresponding improvement with the increasing investment in the construction of urban sewage treatment infrastructures. In this study, we established a quantitative assessment index framework for engineering issues of urban sewage treatment system, including the lacking rate of a sewage pipe network, external water infiltration rate of a sewage pipe network, surplus rate of a sewage treatment plant, and discharge rate of untreated sewage. Then the assessment for engineering issues of urban sewage treatment system in China was conducted from the national level, provincial level and city level for the first time, with the Chinese government's open data and statistics. The results showed that the lacking rate of sewage pipe networks in China was 53%, the external water infiltration rate of sewage pipe networks was 34%, the surplus rate of sewage treatment plants was 54%, and the discharge rate of untreated sewage was 38%. The engineering efficiency of urban sewage treatment system in China was not high and varied among provinces and cities. In many urban areas, sewage pipe networks were incomplete or defective, lack and external water infiltration of sewage pipe networks are common, as well as misconnection of stormwater pipelines; and the problem of sewage direct discharge is serious. Improving the engineering efficiency of urban sewage treatment system, completing, repairment and reconstruction of sewage pipelines were the top priority of urban clean water in China. The assessment index framework established in this study can provide scientific basis for further advancing urban clean water, and the assessment for engineering issues of urban sewage treatment system is significant for the sustainable development of urban water resources. External water infiltration Elsevier Urban clean water Elsevier Sewage treatment system Elsevier Sewage direct discharge Elsevier Lack of sewage pipe network Elsevier Surplus sewage treatment capacity Elsevier Xu, Zuxin oth Enthalten in Elsevier Science Rajendiran, Rajmohan ELSEVIER Self-assembled 3D hierarchical MnCO 2020 Amsterdam [u.a.] (DE-627)ELV003750353 volume:377 year:2022 day:1 month:12 pages:0 https://doi.org/10.1016/j.jclepro.2022.134391 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.18 Kolloidchemie Grenzflächenchemie VZ AR 377 2022 1 1201 0 |
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Urban clean water is an important component of water resources management and is essential for achieving the United Nations Sustainable Development Goal. The Chinese government has attached great importance to urban sewage treatment and clean water resources. Unfortunately, the urban water quality has not shown a corresponding improvement with the increasing investment in the construction of urban sewage treatment infrastructures. In this study, we established a quantitative assessment index framework for engineering issues of urban sewage treatment system, including the lacking rate of a sewage pipe network, external water infiltration rate of a sewage pipe network, surplus rate of a sewage treatment plant, and discharge rate of untreated sewage. Then the assessment for engineering issues of urban sewage treatment system in China was conducted from the national level, provincial level and city level for the first time, with the Chinese government's open data and statistics. The results showed that the lacking rate of sewage pipe networks in China was 53%, the external water infiltration rate of sewage pipe networks was 34%, the surplus rate of sewage treatment plants was 54%, and the discharge rate of untreated sewage was 38%. The engineering efficiency of urban sewage treatment system in China was not high and varied among provinces and cities. In many urban areas, sewage pipe networks were incomplete or defective, lack and external water infiltration of sewage pipe networks are common, as well as misconnection of stormwater pipelines; and the problem of sewage direct discharge is serious. Improving the engineering efficiency of urban sewage treatment system, completing, repairment and reconstruction of sewage pipelines were the top priority of urban clean water in China. The assessment index framework established in this study can provide scientific basis for further advancing urban clean water, and the assessment for engineering issues of urban sewage treatment system is significant for the sustainable development of urban water resources. |
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Urban clean water is an important component of water resources management and is essential for achieving the United Nations Sustainable Development Goal. The Chinese government has attached great importance to urban sewage treatment and clean water resources. Unfortunately, the urban water quality has not shown a corresponding improvement with the increasing investment in the construction of urban sewage treatment infrastructures. In this study, we established a quantitative assessment index framework for engineering issues of urban sewage treatment system, including the lacking rate of a sewage pipe network, external water infiltration rate of a sewage pipe network, surplus rate of a sewage treatment plant, and discharge rate of untreated sewage. Then the assessment for engineering issues of urban sewage treatment system in China was conducted from the national level, provincial level and city level for the first time, with the Chinese government's open data and statistics. The results showed that the lacking rate of sewage pipe networks in China was 53%, the external water infiltration rate of sewage pipe networks was 34%, the surplus rate of sewage treatment plants was 54%, and the discharge rate of untreated sewage was 38%. The engineering efficiency of urban sewage treatment system in China was not high and varied among provinces and cities. In many urban areas, sewage pipe networks were incomplete or defective, lack and external water infiltration of sewage pipe networks are common, as well as misconnection of stormwater pipelines; and the problem of sewage direct discharge is serious. Improving the engineering efficiency of urban sewage treatment system, completing, repairment and reconstruction of sewage pipelines were the top priority of urban clean water in China. The assessment index framework established in this study can provide scientific basis for further advancing urban clean water, and the assessment for engineering issues of urban sewage treatment system is significant for the sustainable development of urban water resources. |
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